Sheal, P. R. (1989). How to develop and present staff training courses. Kogan Page ; Nichols Pub..
Cita Chicago (17th ed.)Sheal, Peter R. How to Develop and Present Staff Training Courses. London : New York: Kogan Page ; Nichols Pub., 1989.
Cita MLA (8th ed.)Sheal, Peter R. How to Develop and Present Staff Training Courses. Kogan Page ; Nichols Pub., 1989.
Atenció: Aquestes cites poden no estar 100% correctes.